MC200186B1 - Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel - Google Patents

Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel

Info

Publication number
MC200186B1
MC200186B1 MC2624A MC2624A MC200186B1 MC 200186 B1 MC200186 B1 MC 200186B1 MC 2624 A MC2624 A MC 2624A MC 2624 A MC2624 A MC 2624A MC 200186 B1 MC200186 B1 MC 200186B1
Authority
MC
Monaco
Prior art keywords
transcoding
decoding
conversion
audio signal
dimensional audio
Prior art date
Application number
MC2624A
Other languages
English (en)
Inventor
François Becker
Benjamin René François Bernard
Original Assignee
Coronal Encoding
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coronal Encoding filed Critical Coronal Encoding
Priority to MC2624A priority Critical patent/MC200186B1/fr
Priority to EP17787331.2A priority patent/EP3475943B1/fr
Priority to US16/333,433 priority patent/US11232802B2/en
Priority to CN201780051834.7A priority patent/CN109791768B/zh
Priority to PCT/EP2017/025274 priority patent/WO2018059742A1/fr
Publication of MC200186B1 publication Critical patent/MC200186B1/fr

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
MC2624A 2016-09-30 2016-09-30 Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel MC200186B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MC2624A MC200186B1 (fr) 2016-09-30 2016-09-30 Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel
EP17787331.2A EP3475943B1 (fr) 2016-09-30 2017-09-28 Procede de conversion et d'encodage stereophonique d'un signal audio tridimensionnel
US16/333,433 US11232802B2 (en) 2016-09-30 2017-09-28 Method for conversion, stereophonic encoding, decoding and transcoding of a three-dimensional audio signal
CN201780051834.7A CN109791768B (zh) 2016-09-30 2017-09-28 用于对三维音频信号进行转换、立体声编码、解码和转码的过程
PCT/EP2017/025274 WO2018059742A1 (fr) 2016-09-30 2017-09-28 Procede de conversion, d'encodage stereophonique, de decodage et de transcodage d'un signal audio tridimensionnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MC2624A MC200186B1 (fr) 2016-09-30 2016-09-30 Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel

Publications (1)

Publication Number Publication Date
MC200186B1 true MC200186B1 (fr) 2017-10-18

Family

ID=60153256

Family Applications (1)

Application Number Title Priority Date Filing Date
MC2624A MC200186B1 (fr) 2016-09-30 2016-09-30 Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel

Country Status (5)

Country Link
US (1) US11232802B2 (fr)
EP (1) EP3475943B1 (fr)
CN (1) CN109791768B (fr)
MC (1) MC200186B1 (fr)
WO (1) WO2018059742A1 (fr)

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CN110493701B (zh) * 2019-07-16 2020-10-27 西北工业大学 基于稀疏主成分分析的hrtf个人化方法
CN110751956B (zh) * 2019-09-17 2022-04-26 北京时代拓灵科技有限公司 一种沉浸式音频渲染方法及系统
US11750971B2 (en) * 2021-03-11 2023-09-05 Nanning Fulian Fugui Precision Industrial Co., Ltd. Three-dimensional sound localization method, electronic device and computer readable storage
CN113449255B (zh) * 2021-06-15 2022-11-11 电子科技大学 一种改进的稀疏约束下环境分量相位角估计方法、设备及存储介质
CN115497485A (zh) * 2021-06-18 2022-12-20 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
US11910177B2 (en) * 2022-01-13 2024-02-20 Bose Corporation Object-based audio conversion
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Also Published As

Publication number Publication date
CN109791768B (zh) 2023-11-07
CN109791768A (zh) 2019-05-21
US20200168235A1 (en) 2020-05-28
WO2018059742A1 (fr) 2018-04-05
US11232802B2 (en) 2022-01-25
EP3475943A1 (fr) 2019-05-01
EP3475943B1 (fr) 2021-12-01

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